1649616990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:918

約数の個数: 128

約数和(自身を含む): 4630487040

約数和(自身を除く): 2980870050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 59, 70, 105, 118, 177, 210, 211, 295, 354, 413, 422, 590, 631, 633, 826, 885, 1055, 1239, 1262, 1266, 1477, 1770, 1893, 2065, 2110, 2478, 2954, 3155, 3165, 3786, 4130, 4417, 4431, 6195, 6310, 6330, 7385, 8834, 8862, 9465, 12390, 12449, 13251, 14770, 18930, 22085, 22155, 24898, 26502, 37229, 37347, 44170, 44310, 62245, 66255, 74458, 74694, 87143, 111687, 124490, 132510, 133141, 174286, 186145, 186735, 223374, 260603, 261429, 266282, 372290, 373470, 399423, 435715, 521206, 522858, 558435, 665705, 781809, 798846, 871430, 931987, 1116870, 1303015, 1307145, 1331410, 1563618, 1863974, 1997115, 2606030, 2614290, 2795961, 3909045, 3994230, 4659935, 5591922, 7818090, 7855319, 9319870, 13979805, 15710638, 23565957, 27959610, 39276595, 47131914, 54987233, 78553190, 109974466, 117829785, 164961699, 235659570, 274936165, 329923398, 549872330, 824808495, 1649616990]

約数ペア:

[(1, 1649616990), (2, 824808495), (3, 549872330), (5, 329923398), (6, 274936165), (7, 235659570), (10, 164961699), (14, 117829785), (15, 109974466), (21, 78553190), (30, 54987233), (35, 47131914), (42, 39276595), (59, 27959610), (70, 23565957), (105, 15710638), (118, 13979805), (177, 9319870), (210, 7855319), (211, 7818090), (295, 5591922), (354, 4659935), (413, 3994230), (422, 3909045), (590, 2795961), (631, 2614290), (633, 2606030), (826, 1997115), (885, 1863974), (1055, 1563618), (1239, 1331410), (1262, 1307145), (1266, 1303015), (1477, 1116870), (1770, 931987), (1893, 871430), (2065, 798846), (2110, 781809), (2478, 665705), (2954, 558435), (3155, 522858), (3165, 521206), (3786, 435715), (4130, 399423), (4417, 373470), (4431, 372290), (6195, 266282), (6310, 261429), (6330, 260603), (7385, 223374), (8834, 186735), (8862, 186145), (9465, 174286), (12390, 133141), (12449, 132510), (13251, 124490), (14770, 111687), (18930, 87143), (22085, 74694), (22155, 74458), (24898, 66255), (26502, 62245), (37229, 44310), (37347, 44170)]